NPM

npm is the package manager for JavaScript and the world’s largest software registry. Discover packages of reusable code — and assemble them in powerful new ways.

简单说NPM就是JavaScript的依赖库管理软件.

https://www.npmjs.com

安装/更新 NPM 工具

npm install npm@latest -g

添加包 npm install --save react-native-modal-datetime-picker

全局安装 npm install react-native-modal-datetime-picker -g

添加开发依赖包(不会打包到最终App):

npm install --save-dev react-devtools

[NPM/Yarn Mirror repos(加速下载镜像速度)]

运行下列命令

npm config set registry https://registry.npm.taobao.org --global
npm config set disturl https://npm.taobao.org/dist --global